Upgrade your Dometic water heater with this OEM service kit designed for specific models. The complete kit includes a foam-insulated replacement tank, pressure relief valve, electric heating element, and foam seals, ensuring a complete and efficient restoration for your water heating system. 6 Gallon Fits: Water Heater Models WH-6GEA, WH-9GEA Note: The three mounting points do not come threaded. The holes are sized so that the mounting screws will self-thread into the softer aluminum.